Author Question: If we wish to construct a 95 confidence interval estimate for the difference between two population ... (Read 156 times)

sabina · **on:** Jul 24, 2018

If we wish to construct a 95 confidence interval estimate for the difference between two population proportions, then the confidence level would be:
a. 1.96
b. 0.475
c. 0.95
d. 0.05
e. 2.33

Question 2

When choosing between parametric and nonparametric tests, we are interested primarily in
a. the control of error.
b. the relative power of the test.
c. efficiency.
d. All of the above.